22406694 has 16 divisors (see below), whose sum is σ = 45225840. Its totient is φ = 7400160.

The previous prime is 22406653. The next prime is 22406701. The reversal of 22406694 is 49660422.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16477 + ... + 17784.

It is an arithmetic number, because the mean of its divisors is an integer number (2826615).

Almost surely, 2^22406694 is an apocalyptic number.

22406694 is an abundant number, since it is smaller than the sum of its proper divisors (22819146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22406694 is a wasteful number, since it uses less digits than its factorization.

22406694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34375.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 22406694 is about 4733.5709564767. The cubic root of 22406694 is about 281.9200266155.

The spelling of 22406694 in words is "twenty-two million, four hundred six thousand, six hundred ninety-four".